Home / 976,931.40-1,465,606.08-302,997.90

Finding the Fourth Proportional to 976,931.40, 1,465,606.08 and 302,997.90

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Solution

The fourth proportional to 976,931.40, 1,465,606.08 and 302,997.90 is: 454,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,931.40 : 1,465,606.08 = 302,997.90 : x
  2. Step 2: Convert to fraction form
    976,931.40/1,465,606.08 = 302,997.90/x
  3. Step 3: Cross multiply
    976,931.40x = 1,465,606.08 × 302,997.90
  4. Step 4: Simplify right side
    976,931.40x = 444,075,564,467.23
  5. Step 5: Solve for x
    x = 444,075,564,467.23/976,931.40
  6. Step 6: Final answer
    x = 454,561.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.